Home / 3,841.79-5,323.08-3,758.75

Finding the Fourth Proportional to 3,841.79, 5,323.08 and 3,758.75

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Solution

The fourth proportional to 3,841.79, 5,323.08 and 3,758.75 is: 5,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.79 : 5,323.08 = 3,758.75 : x
  2. Step 2: Convert to fraction form
    3,841.79/5,323.08 = 3,758.75/x
  3. Step 3: Cross multiply
    3,841.79x = 5,323.08 × 3,758.75
  4. Step 4: Simplify right side
    3,841.79x = 20,008,126.95
  5. Step 5: Solve for x
    x = 20,008,126.95/3,841.79
  6. Step 6: Final answer
    x = 5,208.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.